There are no strict rules on whether students smoke in general universities, but smoking is not allowed in recess and public places. Smoking is harmful, not only to human health but also to society. Therefore, college students should try not to smoke. ? Extended data? As long as there are signs of life, any organized organism must breathe, exhale carbon dioxide in the body, inhale oxygen in the air, and carry out metabolism to maintain normal life activities. Non-smokers can breathe a lot of fresh air every day; However, people who smoke regularly do not enjoy the benefits of nature. What they breathe in is not fresh air, but toxic gas polluted by smoke.